JEE PHYSICS UNIT 13
QUIZ NO 1
TOTAL QUESTIONS = 20


1. The SI unit of magnetic field strength is


2. The force experienced by a charged particle moving in a magnetic field is maximum when the angle between velocity and magnetic field is


3. According to Fleming's Left-Hand Rule, the thumb represents


4. The magnetic field inside a long, straight solenoid carrying current is


5. A current-carrying conductor placed in a magnetic field experiences a force. This phenomenon is utilized in


6. The device used to measure the strength of a magnetic field is


7. The magnetic field at the center of a circular loop carrying current is


8. The phenomenon of electromagnetic induction was discovered by


9. Lenz's Law is a consequence of the law of conservation of


10. The unit of magnetic flux is


11. The torque τ experienced by a magnetic dipole of moment M in a uniform magnetic field B is given by


12. The magnetic susceptibility χ of a diamagnetic material is


13. The area enclosed by a hysteresis loop represents


14. The direction of induced current in a closed loop is given by


15. The magnetic field due to a current-carrying infinite straight wire at a perpendicular distance r is proportional to


16. The force between two parallel current-carrying conductors is used to define


17. A moving coil galvanometer can be converted into an ammeter by connecting


18. The Earth's magnetic field is approximately


19. The phenomenon where a change in magnetic field induces an electromotive force (emf) is called


20. The magnetic moment of a current loop is proportional to



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